Riello Burners 3742693, Installation, Use And Maintenance Instructions

2604

7

GB

BURNER START-UP CYCLE

ADJUSTMENTS, TO AVOID FLAME - DETACHMENT, AT BURNER - IGNITION

This inconvenience can occur, when the temperature of the gas-oil decreases below +8 °C.

1)

CORRECT POSITIONING OF THE ELECTRODES

2) NOZZLE: ATOMIZING 

CONE

Choose empt ies or semi-empt ies cones; Delavan type A - E; Steinen type H; Danfoss type H.

3) 

PUMP - SETTING

The pump is factory set, at a pressure of 12 bar.
When the temperature of the light oil decreases below +8 °C, increase the pressure to 14 bar.

4) COMBUSTION-HEAD 

SETTING

Regulate the combustion-head one set-point further ahead than indicated in the instructions.

Example: 

the instructions require to set the combustion-head on set-point 2.
Instead, the setting is made on set-point 3.

5) 

FAN - AIR DAMPER ADJUSTMENT

Adjust the air damper of the fan, such as to obtain a smoke-number not inferior to 1.
(i.e.  a combustion with the lowest possible excess-air).

Normal

Lock-out, due to failure to light

Thermostat

Motor

Ignition transformer

Valve

Flame

Lock-out lamp

~

12s

D5229

~

12s

~

5s

2 – 2.5

 mm

4 ± 

0.3 mm

IMPORTANT:
THESE  DIMENSIONS
MUST BE OBSERVED

D5230

C